Pencil-sharpener.



PATENTED JUNE 1,6, 1908.

G. P. SUMA. PENCIL SHABPENER.

APPLICATION FILEDI JAN. G, 1908.

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- sind iii- Q tion of 'r .Applioriiien lle January 5, 1,96?.

To riff! wiinn, 'iii lmoy Coneerln:

Be it: known that l, @EGBGB P. SUMA, a. citizen of Llie United States, residing et Lin'- rzigo, county en Cook, ,fend State of illinois, lieve invented certain new and ueefuim- {riweinents in Peineii-liorneners, of which lle oliowing is s eci cation.

My invention reloies eo pencil Sharpeners und parioiilariy 'no thebeiass thereof wherein the pencil is held in ii-siiiteiiie sleeve and a. knife is caused to move inou e end of lle pencil to siiergien the same. i

, 'he object of my invenion is "ao iroririe oi eneii of simple eonotmotioii which -wiil readily and ouioliy 'iii-e penei..

i. ,A further object of my invention is io proviole o, pencil ioned of sue i @roi/*ed eonstrn ein: point ol' the peneii Wiii no` broken wliiie being sharpened.

@ther objecs wiil eppeer hereinafter.

ley invenion wiil more readily enderstoosi "by reference 'o the noeoinpm ,f o drawin s forming e pori oi this specification iieh- -v-v I i Bignre i is vertical secr/ion of the device, paris seing shown in elevation, Fig. 2 is iop ion View thereof, portion oi" the device lie ig shown in seeliion, the 'secion being YFig P,

on that ne readily reken is en eleveltii the knife 4 is rletziii View ol5 the knife, Eig. 5 al s'eoiion of the siioi'imiiing' eienien, alie knives being in posiiion, Fig. is s section on the iine i;

on the :cY-zooi E,

niiipening element i removed, is

1,1 oli Fig. fijen@ iiig. 3" is e bottoni pion View thereof. i

.Referring to the reivings, 1 indicates e hollow eylinilrioai ineniioe having :i boloni, Z. The botion'i, 2 pro'vli'ierl with e ireiirnl iiisrflnirge opening, 3 for the slim/ings. ileiinmi by an. annuler flange, -ir extending upwardly from' tiiebotliioin and forming; in annular groove, 5 ro receive the end of o spring, l, iii )urpose of which wiii appear hereinafter. Vlie. upper ruil of iie member., l is closed by sfinoinber, 7 which. is preferably.solid anilextends i cinisiileroble ilistenr within the member, l.

Si indieiites :in summier iimge on. the eiof eure, `7 lor linii'ing its inworl moirunent.

snerpenerkor" the dass inenf" -peeioeon of Lettere Ein-atene.

Peemoi Time i908.

Serial No. 5:69AM.

ieee, 13 between which 51nd the bottom, 2 isV interposed ille s ring, 5, which enie io bold Y*the piete and s'eeve in raised poeiion, .iiie sir-,eve being'longimdinelly 'fixed in the piste. l indicatee e washer interposed betwifeen the ends o the heiieel flanges, '1i mid the plete, The Washer, 14 takes up the sind reduces the friet-ion oetveen the Fixed 'to the onfer endo inne sleev i@ is e ooniooi iiiieniber, i5 neming e psi? osioe, i iiioii extend ehnos she lengt-l1 ci eeirl wenn bei'. The sie ts, L5 fire iiienierieeiiy opposed and extenriing through seid siete of.

knives l?, which are seoured io the Mie-neri feines, i8 formed on iie ont-ei' J1/fails o; .seid nieniieix The knives ere. provid i with ei'enrier depending portion, l which. oorrw verge, or nearly so et -lieir noins anni 'wir h serve io sharpen the leol oi" the The portions, l are orrengedxwiih their up per ends entirely within the member, end the member, l5 is some'wiiet bulgeo olf. oni weriliy bowed as et li), forming Tre *esses into which seid portions iit, l'ioiflilig le/#rn firmly. arranging bhe knives cliemeris" elly .opposite as shown clearly in Fig., G, iglie tendency to breek ille point oi the peneii eo common in Sharpeners of this is ovoiiie es the. pressureo' die knives upon eeen sifie of the oloile is equal. The member, l5 is se- 1 u i; f 1 .fy' .ww einen to the ootbom or he sleeve, ii.. 1LL any sui'mole manner and irs upper edge *forme :i

l shoulder 2l between which and the ende ilie lienges, l1 are arranged the plete, 33 lille Washer le. v

To use the device, the pencii is insered in t' e sleeve, l() and pressed (lownworiiiy :ufgziinst the tension of the spring, Ae sh sleeve moves fio'irnvivordly it is @sneed to rotaie in the manner 'lieiore described sind inarolziting muses the knives zraivei ef'ioii the end ol the endl, sharpening @he sinne. When the pcnoi `is Witiidiwwn the spring, quickly returns the parte to norinei position.

Hoving describen my invention' what lr claim new and desire to secure by Lettere Potent is:

In a pencil Sharpener e cylinder ope-n at blocs bottom, in combination Wih ef oosui 'for the top of seid cylinder having e sentirei Vertical bore, o. sleeve mounted iol' Vertical reciproeetion through said bore, iieiioei stantially throughout lits length, the bore in arranged Within said member, a spring arranged beneath said plate, a sleeve rotatably said closure being correspondingly grooved and meanson the end of said sleeve for sharpening the pened, substantially as deseuhed.

2. 41n a pencil Sharpener a cylindrical member having a closure at its upper end, a sleeve mounted lor vertical reclprooatlon through .stud closure coactlng means on said sleeve and said closure for Causing said sleeve to rotate it is recipxocated and a pair of diametrically oppose( kmves angularly arranged lor the 1 at the lower end of said sleeve, as and purpose speer-med.

i ln a pentjil sharpener a cylindrical memher open at the bottom, in a closure for the top ol stud uieniher, a plate combination with l mounted in said plate and arranged for vertlcal reolprocatlon through said closure,

coacting means on said sleeve and said closure for causing said sleeve to rotate as it is) reciprocated and means secured to the lower end of said sleeve for sharpening a peneil7 substantially as described.

' In testimony whereoll have signed my name to this specification in the presence of two subscribing witnesses."

' GEORGE P. SUMA. Witnesses:

ARTHUR A. OLSON, HOWARD S. AUSTIN. 

